Nielsen Kellerman Holdings Inc
Records under this name other than the patents Nielsen Kellerman Holdings Inc holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 16 patents it holds.
Showing 1 to 6 of 6 · Back to Nielsen Kellerman Holdings Inc
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D642,155 | Megaphone Term ended Term ended Jul 26, 2025 · High confidence | Term ended | Term ended Jul 26, 2025 | High confidence |
| US 7,059,170 | Method and Apparatus for Measuring Relative Humidity of a Mixture Term ended Term ended Feb 27, 2024 · High confidence | Term ended | Term ended Feb 27, 2024 | High confidence |
| US 7,249,493 | Method and Apparatus for Measuring Relative Humidity of a Mixture Term ended Term ended Feb 27, 2024 · High confidence | Term ended | Term ended Feb 27, 2024 | High confidence |
| US D547,679 | Watch Term ended Term ended Jul 31, 2021 · High confidence | Term ended | Term ended Jul 31, 2021 | High confidence |
| US D461,421 | Vane Anemometer Term ended Term ended Aug 13, 2016 · High confidence | Term ended | Term ended Aug 13, 2016 | High confidence |
| 18/635,896 | Apparatus and Method for Indicating Whether a Target Has Been Impacted by a Projectile Abandoned Abandoned Aug 22, 2025 | Abandoned | Abandoned Aug 22, 2025 |